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-rw-r--r--src/protocols/ec25519_fhmqvc/ec25519_fhmqvc.c8
-rw-r--r--src/protocols/ec25519_fhmqvc/ec25519_fhmqvc.h4
-rw-r--r--src/protocols/ec25519_fhmqvc/handshake.c66
-rw-r--r--src/protocols/ec25519_fhmqvc/util.c16
4 files changed, 47 insertions, 47 deletions
diff --git a/src/protocols/ec25519_fhmqvc/ec25519_fhmqvc.c b/src/protocols/ec25519_fhmqvc/ec25519_fhmqvc.c
index 735a0ea..698746b 100644
--- a/src/protocols/ec25519_fhmqvc/ec25519_fhmqvc.c
+++ b/src/protocols/ec25519_fhmqvc/ec25519_fhmqvc.c
@@ -52,10 +52,10 @@ static inline void check_session_refresh(fastd_context_t *ctx, fastd_peer_t *pee
static fastd_protocol_config_t* protocol_init(fastd_context_t *ctx) {
fastd_protocol_config_t *protocol_config = malloc(sizeof(fastd_protocol_config_t));
- if (!ctx->conf->secret)
+ if (!conf.secret)
exit_error(ctx, "no secret key configured");
- if (!read_key(protocol_config->key.secret.p, ctx->conf->secret))
+ if (!read_key(protocol_config->key.secret.p, conf.secret))
exit_error(ctx, "invalid secret key");
ecc_25519_work_t work;
@@ -92,7 +92,7 @@ static void protocol_peer_configure(fastd_context_t *ctx, fastd_peer_config_t *p
peer_conf->protocol_config = malloc(sizeof(fastd_protocol_peer_config_t));
peer_conf->protocol_config->public_key = key;
- if (memcmp(&peer_conf->protocol_config->public_key, &ctx->conf->protocol_config->key.public, 32) == 0)
+ if (memcmp(&peer_conf->protocol_config->public_key, &conf.protocol_config->key.public, 32) == 0)
pr_debug(ctx, "found own key as `%s', ignoring peer", peer_conf->name);
}
@@ -169,7 +169,7 @@ static void session_send(fastd_context_t *ctx, fastd_peer_t *peer, fastd_buffer_
}
fastd_send(ctx, peer->sock, &peer->local_address, &peer->address, peer, send_buffer, stat_size);
- peer->keepalive_timeout = fastd_in_seconds(ctx, ctx->conf->keepalive_timeout);
+ peer->keepalive_timeout = fastd_in_seconds(ctx, conf.keepalive_timeout);
}
static void protocol_send(fastd_context_t *ctx, fastd_peer_t *peer, fastd_buffer_t buffer) {
diff --git a/src/protocols/ec25519_fhmqvc/ec25519_fhmqvc.h b/src/protocols/ec25519_fhmqvc/ec25519_fhmqvc.h
index 19d2cbf..be316db 100644
--- a/src/protocols/ec25519_fhmqvc/ec25519_fhmqvc.h
+++ b/src/protocols/ec25519_fhmqvc/ec25519_fhmqvc.h
@@ -90,8 +90,8 @@ void fastd_protocol_ec25519_fhmqvc_handshake_handle(fastd_context_t *ctx, fastd_
void fastd_protocol_ec25519_fhmqvc_send_empty(fastd_context_t *ctx, fastd_peer_t *peer, protocol_session_t *session);
void fastd_protocol_ec25519_fhmqvc_generate_key(fastd_context_t *ctx);
-void fastd_protocol_ec25519_fhmqvc_show_key(fastd_context_t *ctx);
-void fastd_protocol_ec25519_fhmqvc_set_shell_env(fastd_context_t *ctx, const fastd_peer_t *peer);
+void fastd_protocol_ec25519_fhmqvc_show_key(void);
+void fastd_protocol_ec25519_fhmqvc_set_shell_env(const fastd_peer_t *peer);
bool fastd_protocol_ec25519_fhmqvc_describe_peer(const fastd_context_t *ctx UNUSED, const fastd_peer_t *peer, char *buf, size_t len);
diff --git a/src/protocols/ec25519_fhmqvc/handshake.c b/src/protocols/ec25519_fhmqvc/handshake.c
index ef601df..dda798b 100644
--- a/src/protocols/ec25519_fhmqvc/handshake.c
+++ b/src/protocols/ec25519_fhmqvc/handshake.c
@@ -149,7 +149,7 @@ static bool establish(fastd_context_t *ctx, fastd_peer_t *peer, const fastd_meth
return false;
}
- peer->establish_handshake_timeout = fastd_in_seconds(ctx, ctx->conf->min_handshake_interval);
+ peer->establish_handshake_timeout = fastd_in_seconds(ctx, conf.min_handshake_interval);
fastd_peer_seen(ctx, peer);
fastd_peer_set_established(ctx, peer);
@@ -173,7 +173,7 @@ static inline bool secure_handshake(const fastd_handshake_t *handshake) {
}
-static bool make_shared_handshake_key(fastd_context_t *ctx, const ecc_int256_t *handshake_key, bool initiator,
+static bool make_shared_handshake_key(const ecc_int256_t *handshake_key, bool initiator,
const aligned_int256_t *A, const aligned_int256_t *B,
const aligned_int256_t *X, const aligned_int256_t *Y,
aligned_int256_t *sigma,
@@ -206,14 +206,14 @@ static bool make_shared_handshake_key(fastd_context_t *ctx, const ecc_int256_t *
if (initiator) {
ecc_int256_t da;
- ecc_25519_gf_mult(&da, &d, &ctx->conf->protocol_config->key.secret);
+ ecc_25519_gf_mult(&da, &d, &conf.protocol_config->key.secret);
ecc_25519_gf_add(&s, &da, handshake_key);
ecc_25519_scalarmult(&work, &e, &work);
}
else {
ecc_int256_t eb;
- ecc_25519_gf_mult(&eb, &e, &ctx->conf->protocol_config->key.secret);
+ ecc_25519_gf_mult(&eb, &e, &conf.protocol_config->key.secret);
ecc_25519_gf_add(&s, &eb, handshake_key);
ecc_25519_scalarmult(&work, &d, &work);
@@ -236,17 +236,17 @@ static bool make_shared_handshake_key(fastd_context_t *ctx, const ecc_int256_t *
return true;
}
-static bool update_shared_handshake_key(fastd_context_t *ctx, const fastd_peer_t *peer, const handshake_key_t *handshake_key, const aligned_int256_t *peer_handshake_key) {
+static bool update_shared_handshake_key(const fastd_peer_t *peer, const handshake_key_t *handshake_key, const aligned_int256_t *peer_handshake_key) {
if (peer->protocol_state->last_handshake_serial == handshake_key->serial) {
if (memcmp(&peer->protocol_state->peer_handshake_key, peer_handshake_key, PUBLICKEYBYTES) == 0)
return true;
}
- bool compat = !ctx->conf->secure_handshakes;
+ bool compat = !conf.secure_handshakes;
- if (!make_shared_handshake_key(ctx, &handshake_key->key.secret, false,
+ if (!make_shared_handshake_key(&handshake_key->key.secret, false,
&peer->protocol_config->public_key,
- &ctx->conf->protocol_config->key.public,
+ &conf.protocol_config->key.public,
peer_handshake_key,
&handshake_key->key.public,
&peer->protocol_state->sigma,
@@ -273,20 +273,20 @@ static void respond_handshake(fastd_context_t *ctx, const fastd_socket_t *sock,
const handshake_key_t *handshake_key, const aligned_int256_t *peer_handshake_key, const fastd_handshake_t *handshake, const fastd_method_info_t *method) {
pr_debug(ctx, "responding handshake with %P[%I]...", peer, remote_addr);
- if (!update_shared_handshake_key(ctx, peer, handshake_key, peer_handshake_key))
+ if (!update_shared_handshake_key(peer, handshake_key, peer_handshake_key))
return;
fastd_buffer_t buffer = fastd_handshake_new_reply(ctx, handshake, method, true, 4*(4+PUBLICKEYBYTES) + 2*(4+HASHBYTES));
- fastd_handshake_add(ctx, &buffer, RECORD_SENDER_KEY, PUBLICKEYBYTES, &ctx->conf->protocol_config->key.public);
+ fastd_handshake_add(ctx, &buffer, RECORD_SENDER_KEY, PUBLICKEYBYTES, &conf.protocol_config->key.public);
fastd_handshake_add(ctx, &buffer, RECORD_RECEIPIENT_KEY, PUBLICKEYBYTES, &peer->protocol_config->public_key);
fastd_handshake_add(ctx, &buffer, RECORD_SENDER_HANDSHAKE_KEY, PUBLICKEYBYTES, &handshake_key->key.public);
fastd_handshake_add(ctx, &buffer, RECORD_RECEIPIENT_HANDSHAKE_KEY, PUBLICKEYBYTES, peer_handshake_key);
fastd_sha256_t hmacbuf;
- if (!ctx->conf->secure_handshakes) {
- fastd_hmacsha256_blocks(&hmacbuf, peer->protocol_state->shared_handshake_key_compat.w, ctx->conf->protocol_config->key.public.u32, handshake_key->key.public.u32, NULL);
+ if (!conf.secure_handshakes) {
+ fastd_hmacsha256_blocks(&hmacbuf, peer->protocol_state->shared_handshake_key_compat.w, conf.protocol_config->key.public.u32, handshake_key->key.public.u32, NULL);
fastd_handshake_add(ctx, &buffer, RECORD_T, HASHBYTES, hmacbuf.b);
}
@@ -305,8 +305,8 @@ static void finish_handshake(fastd_context_t *ctx, fastd_socket_t *sock, const f
aligned_int256_t sigma;
fastd_sha256_t shared_handshake_key, shared_handshake_key_compat;
- if (!make_shared_handshake_key(ctx, &handshake_key->key.secret, true,
- &ctx->conf->protocol_config->key.public,
+ if (!make_shared_handshake_key(&handshake_key->key.secret, true,
+ &conf.protocol_config->key.public,
&peer->protocol_config->public_key,
&handshake_key->key.public,
peer_handshake_key,
@@ -332,13 +332,13 @@ static void finish_handshake(fastd_context_t *ctx, fastd_socket_t *sock, const f
return;
}
- if (!establish(ctx, peer, method, sock, local_addr, remote_addr, true, &handshake_key->key.public, peer_handshake_key, &ctx->conf->protocol_config->key.public,
+ if (!establish(ctx, peer, method, sock, local_addr, remote_addr, true, &handshake_key->key.public, peer_handshake_key, &conf.protocol_config->key.public,
&peer->protocol_config->public_key, &sigma, compat ? NULL : shared_handshake_key.w, handshake_key->serial))
return;
fastd_buffer_t buffer = fastd_handshake_new_reply(ctx, handshake, method, false, 4*(4+PUBLICKEYBYTES) + 2*(4+HASHBYTES));
- fastd_handshake_add(ctx, &buffer, RECORD_SENDER_KEY, PUBLICKEYBYTES, &ctx->conf->protocol_config->key.public);
+ fastd_handshake_add(ctx, &buffer, RECORD_SENDER_KEY, PUBLICKEYBYTES, &conf.protocol_config->key.public);
fastd_handshake_add(ctx, &buffer, RECORD_RECEIPIENT_KEY, PUBLICKEYBYTES, &peer->protocol_config->public_key);
fastd_handshake_add(ctx, &buffer, RECORD_SENDER_HANDSHAKE_KEY, PUBLICKEYBYTES, &handshake_key->key.public);
fastd_handshake_add(ctx, &buffer, RECORD_RECEIPIENT_HANDSHAKE_KEY, PUBLICKEYBYTES, peer_handshake_key);
@@ -351,7 +351,7 @@ static void finish_handshake(fastd_context_t *ctx, fastd_socket_t *sock, const f
}
else {
fastd_sha256_t hmacbuf;
- fastd_hmacsha256_blocks(&hmacbuf, shared_handshake_key_compat.w, ctx->conf->protocol_config->key.public.u32, handshake_key->key.public.u32, NULL);
+ fastd_hmacsha256_blocks(&hmacbuf, shared_handshake_key_compat.w, conf.protocol_config->key.public.u32, handshake_key->key.public.u32, NULL);
fastd_handshake_add(ctx, &buffer, RECORD_T, HASHBYTES, hmacbuf.b);
}
@@ -365,7 +365,7 @@ static void handle_finish_handshake(fastd_context_t *ctx, fastd_socket_t *sock,
bool compat = !secure_handshake(handshake);
- if (!update_shared_handshake_key(ctx, peer, handshake_key, peer_handshake_key))
+ if (!update_shared_handshake_key(peer, handshake_key, peer_handshake_key))
return;
bool valid;
@@ -386,7 +386,7 @@ static void handle_finish_handshake(fastd_context_t *ctx, fastd_socket_t *sock,
}
establish(ctx, peer, method, sock, local_addr, remote_addr, false, peer_handshake_key, &handshake_key->key.public, &peer->protocol_config->public_key,
- &ctx->conf->protocol_config->key.public, &peer->protocol_state->sigma, compat ? NULL : peer->protocol_state->shared_handshake_key.w, handshake_key->serial);
+ &conf.protocol_config->key.public, &peer->protocol_state->sigma, compat ? NULL : peer->protocol_state->shared_handshake_key.w, handshake_key->serial);
clear_shared_handshake_key(ctx, peer);
}
@@ -441,11 +441,11 @@ static fastd_peer_t* match_sender_key(fastd_context_t *ctx, const fastd_socket_t
return find_sender_key(ctx, address, key);
}
-static size_t key_count(fastd_context_t *ctx, const unsigned char key[32]) {
+static size_t key_count(const unsigned char key[32]) {
size_t ret = 0;
fastd_peer_config_t *p;
- for (p = ctx->conf->peers; p; p = p->next) {
+ for (p = conf.peers; p; p = p->next) {
if (!p->protocol_config)
continue;
@@ -460,10 +460,10 @@ bool fastd_protocol_ec25519_fhmqvc_peer_check(fastd_context_t *ctx, fastd_peer_c
if (!peer_conf->protocol_config)
return false;
- if (memcmp(&peer_conf->protocol_config->public_key, &ctx->conf->protocol_config->key.public, 32) == 0)
+ if (memcmp(&peer_conf->protocol_config->public_key, &conf.protocol_config->key.public, 32) == 0)
return false;
- if (key_count(ctx, peer_conf->protocol_config->public_key.u8) > 1) {
+ if (key_count(peer_conf->protocol_config->public_key.u8) > 1) {
char buf[65];
hexdump(buf, peer_conf->protocol_config->public_key.u8);
pr_warn(ctx, "more than one peer is configured with key %s, disabling %s", buf, peer_conf->name);
@@ -474,7 +474,7 @@ bool fastd_protocol_ec25519_fhmqvc_peer_check(fastd_context_t *ctx, fastd_peer_c
}
bool fastd_protocol_ec25519_fhmqvc_peer_check_temporary(fastd_context_t *ctx, fastd_peer_t *peer) {
- if (key_count(ctx, peer->protocol_config->public_key.u8)) {
+ if (key_count(peer->protocol_config->public_key.u8)) {
char buf[65];
hexdump(buf, peer->protocol_config->public_key.u8);
pr_info(ctx, "key %s is configured now, deleting temporary peer.", buf);
@@ -484,17 +484,17 @@ bool fastd_protocol_ec25519_fhmqvc_peer_check_temporary(fastd_context_t *ctx, fa
return true;
}
-static inline bool allow_unknown(fastd_context_t *ctx) {
- return fastd_shell_command_isset(&ctx->conf->on_verify);
+static inline bool allow_unknown(void) {
+ return fastd_shell_command_isset(&conf.on_verify);
}
static inline fastd_peer_t* add_temporary(fastd_context_t *ctx, const fastd_peer_address_t *addr, const unsigned char key[32]) {
- if (!allow_unknown(ctx)) {
+ if (!allow_unknown()) {
pr_debug(ctx, "ignoring handshake from %I (unknown key)", addr);
return NULL;
}
- if (key_count(ctx, key)) {
+ if (key_count(key)) {
pr_debug(ctx, "ignoring handshake from %I (disabled key)", addr);
return NULL;
}
@@ -516,7 +516,7 @@ void fastd_protocol_ec25519_fhmqvc_handshake_init(fastd_context_t *ctx, const fa
fastd_buffer_t buffer = fastd_handshake_new_init(ctx, 3*(4+PUBLICKEYBYTES) /* sender key, receipient key, handshake key */);
- fastd_handshake_add(ctx, &buffer, RECORD_SENDER_KEY, PUBLICKEYBYTES, &ctx->conf->protocol_config->key.public);
+ fastd_handshake_add(ctx, &buffer, RECORD_SENDER_KEY, PUBLICKEYBYTES, &conf.protocol_config->key.public);
if (peer)
fastd_handshake_add(ctx, &buffer, RECORD_RECEIPIENT_KEY, PUBLICKEYBYTES, &peer->protocol_config->public_key);
@@ -526,7 +526,7 @@ void fastd_protocol_ec25519_fhmqvc_handshake_init(fastd_context_t *ctx, const fa
fastd_handshake_add(ctx, &buffer, RECORD_SENDER_HANDSHAKE_KEY, PUBLICKEYBYTES, &ctx->protocol_state->handshake_key.key.public);
if (!peer || !fastd_peer_is_established(peer))
- fastd_shell_command_exec(ctx, &ctx->conf->on_connect, peer, (local_addr && local_addr->sa.sa_family) ? local_addr : sock->bound_addr, remote_addr);
+ fastd_shell_command_exec(ctx, &conf.on_connect, peer, (local_addr && local_addr->sa.sa_family) ? local_addr : sock->bound_addr, remote_addr);
fastd_send_handshake(ctx, sock, local_addr, remote_addr, peer, buffer);
}
@@ -576,7 +576,7 @@ void fastd_protocol_ec25519_fhmqvc_handshake_handle(fastd_context_t *ctx, fastd_
}
if (has_field(handshake, RECORD_RECEIPIENT_KEY, PUBLICKEYBYTES)) {
- if (memcmp(&ctx->conf->protocol_config->key.public, handshake->records[RECORD_RECEIPIENT_KEY].data, PUBLICKEYBYTES) != 0) {
+ if (memcmp(&conf.protocol_config->key.public, handshake->records[RECORD_RECEIPIENT_KEY].data, PUBLICKEYBYTES) != 0) {
pr_debug(ctx, "received protocol handshake with wrong receipient key from %P[%I]", peer, remote_addr);
return;
}
@@ -599,7 +599,7 @@ void fastd_protocol_ec25519_fhmqvc_handshake_handle(fastd_context_t *ctx, fastd_
pr_verbose(ctx, "received handshake from %P[%I]%s%s", peer, remote_addr, handshake->peer_version ? " using fastd " : "", handshake->peer_version ?: "");
- peer->last_handshake_response_timeout = fastd_in_seconds(ctx, ctx->conf->min_handshake_interval);
+ peer->last_handshake_response_timeout = fastd_in_seconds(ctx, conf.min_handshake_interval);
peer->last_handshake_response_address = *remote_addr;
respond_handshake(ctx, sock, local_addr, remote_addr, peer, &ctx->protocol_state->handshake_key, &peer_handshake_key, handshake, method);
return;
@@ -616,7 +616,7 @@ void fastd_protocol_ec25519_fhmqvc_handshake_handle(fastd_context_t *ctx, fastd_
}
if (!secure_handshake(handshake)) {
- if (ctx->conf->secure_handshakes || !has_field(handshake, RECORD_T, HASHBYTES)) {
+ if (conf.secure_handshakes || !has_field(handshake, RECORD_T, HASHBYTES)) {
pr_debug(ctx, "received handshake reply without HMAC from %P[%I]", peer, remote_addr);
return;
}
diff --git a/src/protocols/ec25519_fhmqvc/util.c b/src/protocols/ec25519_fhmqvc/util.c
index 3e1bafd..a72ebbf 100644
--- a/src/protocols/ec25519_fhmqvc/util.c
+++ b/src/protocols/ec25519_fhmqvc/util.c
@@ -38,7 +38,7 @@ void fastd_protocol_ec25519_fhmqvc_generate_key(fastd_context_t *ctx) {
ecc_int256_t secret_key;
ecc_int256_t public_key;
- if (!ctx->conf->machine_readable)
+ if (!conf.machine_readable)
pr_info(ctx, "Reading 32 bytes from /dev/random...");
fastd_random_bytes(ctx, secret_key.p, 32, true);
@@ -48,7 +48,7 @@ void fastd_protocol_ec25519_fhmqvc_generate_key(fastd_context_t *ctx) {
ecc_25519_scalarmult_base(&work, &secret_key);
ecc_25519_store_packed(&public_key, &work);
- if (ctx->conf->machine_readable) {
+ if (conf.machine_readable) {
print_hexdump("", secret_key.p);
}
else {
@@ -57,17 +57,17 @@ void fastd_protocol_ec25519_fhmqvc_generate_key(fastd_context_t *ctx) {
}
}
-void fastd_protocol_ec25519_fhmqvc_show_key(fastd_context_t *ctx) {
- if (ctx->conf->machine_readable)
- print_hexdump("", ctx->conf->protocol_config->key.public.u8);
+void fastd_protocol_ec25519_fhmqvc_show_key(void) {
+ if (conf.machine_readable)
+ print_hexdump("", conf.protocol_config->key.public.u8);
else
- print_hexdump("Public: ", ctx->conf->protocol_config->key.public.u8);
+ print_hexdump("Public: ", conf.protocol_config->key.public.u8);
}
-void fastd_protocol_ec25519_fhmqvc_set_shell_env(fastd_context_t *ctx, const fastd_peer_t *peer) {
+void fastd_protocol_ec25519_fhmqvc_set_shell_env(const fastd_peer_t *peer) {
char buf[65];
- hexdump(buf, ctx->conf->protocol_config->key.public.u8);
+ hexdump(buf, conf.protocol_config->key.public.u8);
setenv("LOCAL_KEY", buf, 1);
if (peer && peer->protocol_config) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 02:54:50 +0100